There has always been a lot of interest in accelerating brain function with the use of drugs and chemicals but I'm not aware of anything yet that stimulates the hippocampus to store long term memory.
Editors Contribution(0.00 / 0 votes)Rate this definition: alternating current. Is a type of electric current that changes direction periodically during the cycle. Alternating current is a type of electric current used in most household electricity systems in the US and throughout Europe.
Quick Answer. When talking about electrical current, AC stands for alternating current and DC stands for direct current.. Alternating current is the type of current that comes from a power plant and outlet, in which the current changes directions rapidly. Direct current is the type of current that comes from a battery, where the current is always flowing in the same direction.